#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
//struct book
//{
//	char name[20];
//	int price;
//}b1,b2;
//int main()
//{
//	struct book b3;
//	struct book b4;
//
//	return 0;
//}

//struct book
//{
//	char name[20];
//	int price;
//};
//int main()
//{
//	struct book b1 = { "daxuewuli",48 };
//	struct book b2 = { .name="modian",.price =68};
//	printf("%s %d\n", b1.name, b1.price);
//	printf("%s %d\n", b2.name, b2.price);
//
//
//	return 0;
//}